The Sunoco Diamond-shaped brand identification sign is for use at all Sunoco retail locations where zoning limitations preclude the use of a goalpost sign. The size of the Diamond to be used depends on visibility requirements, property size and zoning regulations. The standard sizes for retail locations are 7', 9', 11' or 16'. For Interstate locations where permits can be obtained, high-rise signs are available in 16' or 22' standard sizes.